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On Friday morning, they sought clarification on how to interpret statements Baden-Clay made about facial wounds the day his wife vanished.

The father of three said he cut himself shaving with a blunt razor but prosecutors allege they are fingernail scratches and Baden-Clay lied to cover up his wife's murder.

Justice John Byrne again warned jurors about concluding that if Baden-Clay lied about the injuries then he must have murdered his wife.

The judge said if jurors found he lied, they should carefully consider if it showed consciousness of guilt with respect to manslaughter.

Jurors have been told they can consider a manslaughter verdict - unintentional killing - if they find Baden-Clay not guilty of murder.

Prosecutors say the former real estate agent probably smothered his wife at their house and dumped her body where it was found under the Kholo Creek Bridge.

They say he was under significant personal and financial pressure and had promised his mistress he would be separated by July 1 that year.

The father of three vehemently denied the allegations during his trial, and his defence team suggested Allison jumped or fell to her death after taking an extra dose of antidepressants and walking off during the night.

They pointed to the mother of three's history of depression and toxicology results that showed elevated levels of an antidepressant and alcohol in her system.

Details of Baden-Clay's multiple affairs, large debts and Allison's history of depression were laid bare before packed courtrooms.